🌐 ycombinator.net 200 🔒 SSL Valid
Checked: just now 🔗 Visit site
↪
This domain forwards to ycombinator.com (checked 0d ago)
HTTP Status ?A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
200
SSL Expires ?When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 180d
Domain Expires ?When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 154d
Hosting ?The company and location where this website's server is physically located.Read more →
Unknown
Security ?Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
2/3
IP Address ?The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
108.138.64.111
Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
100%
⚡ Performance ?Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
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Performance data not available yet.

🛠️ Tech Stack ?Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools.
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No technologies detected

📸 Screenshot
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Screenshot not available yet.

🌐 DNS Records ?DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
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A (IPv4)108.138.64.111108.138.64.45108.138.64.90108.138.64.8
AAAA (IPv6)2600:9000:2508:4c00:15:891f:4040:93a12600:9000:2508:9000:15:891f:4040:93a12600:9000:2508:1600:15:891f:4040:93a12600:9000:2508:5a00:15:891f:4040:93a12600:9000:2508:4800:15:891f:4040:93a12600:9000:2508:ca00:15:891f:4040:93a12600:9000:2508:5c00:15:891f:4040:93a12600:9000:2508:7600:15:891f:4040:93a1
NSns-204.awsdns-25.comns-600.awsdns-11.netns-1306.awsdns-35.orgns-1960.awsdns-53.co.uk
TXT (1)
v=spf1 -all
📋 WHOIS / RDAP ?Public registration data: who registered the domain, when, and when it expires.Read more →
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RegistrarGandi SAS
Registered2005-03-20
Expires2027-03-20 (in 154 days)
Last Updated2026-02-13
Statusclient transfer prohibited
🔒 SSL Certificate ?Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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Subject (CN)ycombinator.com
IssuerAmazon
Valid From2026-09-30
Valid Until2027-04-15 (180 days left)
SANs (47)ycombinator.comyankeecharlie.comycswag.comwww.yclabs.orgwww.yc.fyiyclabs.orgycombinator.netycgiftguide.comwww.femalefoundergifts.comwww.ycb2bguide.comycombinator.xyzycomb.orgwww.ycinside.orgwww.yc120.orgwww.ycomb.comyc120.orgwww.ycswag.comwww.ycombinator.citywww.ycombinator.netwww.ycfounders.com +27 more
📡 HTTP Headers ?Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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Status200
Servercloudflare
Content-Typetext/html; charset=utf-8
Final URLhttps://www.ycombinator.com/
strict-transport-securitymax-age=63072000; includeSubDomains
x-frame-optionsSAMEORIGIN
x-content-type-optionsnosniff
referrer-policystrict-origin-when-cross-origin
cache-controlmax-age=0, private, must-revalidate
cf-raya4b7f6c3dca37077-IAD
Security headers ?HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
HSTS
Content-Security-Policy
X-Frame-Options
🏠 Hosting ?Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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IP Address108.138.64.111
ProviderUnknown
OrganizationN/A
ASNN/A
LocationN/A
🛡️ Security Score B (5/7)
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Valid SSL
HSTS
CSP
X-Frame-Options
X-Content-Type
Referrer-Policy
Permissions-Policy
🗺️ Sitemap & Robots
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No robots.txt
This site has no robots.txt file, so crawlers may access everything by default.
Sitemap Not found
🔗 Social & Meta Tags
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No meta tags detected.

📧 Mail Security ?Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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SPF✓ Present
v=spf1 -all
DMARCNot set
🌍 Other TLDs ?Other top-level domain variants of this domain name and their availability. 17 active 6 available
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.com ●
.net current
.org ●
.info ●
.io ●
.co ●
.dev ●
.app ●
.me ●
.biz ●
.eu Available
.xyz ●
.fi Available
.se Available
.de ●
.uk ●
.fr ●
.nl Available
.es Available
.it ●
.us ●
.ca ●
.com.au Available
.co.uk ●
📡 Uptime Monitor
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Current Status 🟢 Online
HTTP Status 200
Response Time 361ms
Last Checked 2026-10-15 07:31:32.037468
Uptime (30d) 100%